Consider a disk of radius a. distributed over the disk are particles with a va2-r2 particles per unit area. plot the density of particles as density of n(r) = no a function of the distance to the disk center, r. derive an expression giving the total number of particles on the disk

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program